Newell Battery guarantees high quality, safety, and advanced technology – all at an attractive price. High-quality batteries were used in the production of the Newell Battery. The capacity in milliampere is genuine and ensures a long lifespan. 100% safety: An integrated smart safety system based on an electronic circuit controls the charging process. This ensures the safety of the device and the user. Advanced technology: The Newell Battery is manufactured with lithium-ion technology. This allows for multiple charging and discharging cycles as well as recharging at any time without the risk of a so-called "memory effect." Technical specifications – Model: EN-EL18 – Li-Ion technology – Capacity: 2600 mAh – Voltage: 10.8 V. Compatibility: Nikon D4, D4s, D5.